Home / 5,275.31-7,280.29-3,037.77

Finding the Fourth Proportional to 5,275.31, 7,280.29 and 3,037.77

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Solution

The fourth proportional to 5,275.31, 7,280.29 and 3,037.77 is: 4,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.31 : 7,280.29 = 3,037.77 : x
  2. Step 2: Convert to fraction form
    5,275.31/7,280.29 = 3,037.77/x
  3. Step 3: Cross multiply
    5,275.31x = 7,280.29 × 3,037.77
  4. Step 4: Simplify right side
    5,275.31x = 22,115,857.16
  5. Step 5: Solve for x
    x = 22,115,857.16/5,275.31
  6. Step 6: Final answer
    x = 4,192.34

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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.