Home / 7,035.18-10,552.78-2,875.20

Finding the Fourth Proportional to 7,035.18, 10,552.78 and 2,875.20

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Solution

The fourth proportional to 7,035.18, 10,552.78 and 2,875.20 is: 4,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.18 : 10,552.78 = 2,875.20 : x
  2. Step 2: Convert to fraction form
    7,035.18/10,552.78 = 2,875.20/x
  3. Step 3: Cross multiply
    7,035.18x = 10,552.78 × 2,875.20
  4. Step 4: Simplify right side
    7,035.18x = 30,341,317.08
  5. Step 5: Solve for x
    x = 30,341,317.08/7,035.18
  6. Step 6: Final answer
    x = 4,312.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.