Home / 6,295.68-8,688.15-3,501.18

Finding the Fourth Proportional to 6,295.68, 8,688.15 and 3,501.18

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Solution

The fourth proportional to 6,295.68, 8,688.15 and 3,501.18 is: 4,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.68 : 8,688.15 = 3,501.18 : x
  2. Step 2: Convert to fraction form
    6,295.68/8,688.15 = 3,501.18/x
  3. Step 3: Cross multiply
    6,295.68x = 8,688.15 × 3,501.18
  4. Step 4: Simplify right side
    6,295.68x = 30,418,777.02
  5. Step 5: Solve for x
    x = 30,418,777.02/6,295.68
  6. Step 6: Final answer
    x = 4,831.69

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Half scale
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Double scale
Find fourth proportional to 6,296.68, 8,689.53 and 3,502.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.