Home / 5,275.02-7,280.46-3,036.72

Finding the Fourth Proportional to 5,275.02, 7,280.46 and 3,036.72

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Solution

The fourth proportional to 5,275.02, 7,280.46 and 3,036.72 is: 4,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.02 : 7,280.46 = 3,036.72 : x
  2. Step 2: Convert to fraction form
    5,275.02/7,280.46 = 3,036.72/x
  3. Step 3: Cross multiply
    5,275.02x = 7,280.46 × 3,036.72
  4. Step 4: Simplify right side
    5,275.02x = 22,108,718.49
  5. Step 5: Solve for x
    x = 22,108,718.49/5,275.02
  6. Step 6: Final answer
    x = 4,191.21

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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.