Home / 6,117.71-8,442.64-3,465.06

Finding the Fourth Proportional to 6,117.71, 8,442.64 and 3,465.06

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Solution

The fourth proportional to 6,117.71, 8,442.64 and 3,465.06 is: 4,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.71 : 8,442.64 = 3,465.06 : x
  2. Step 2: Convert to fraction form
    6,117.71/8,442.64 = 3,465.06/x
  3. Step 3: Cross multiply
    6,117.71x = 8,442.64 × 3,465.06
  4. Step 4: Simplify right side
    6,117.71x = 29,254,254.16
  5. Step 5: Solve for x
    x = 29,254,254.16/6,117.71
  6. Step 6: Final answer
    x = 4,781.90

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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.