Home / 5,232.65-7,221.51-2,875.28

Finding the Fourth Proportional to 5,232.65, 7,221.51 and 2,875.28

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Solution

The fourth proportional to 5,232.65, 7,221.51 and 2,875.28 is: 3,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.65 : 7,221.51 = 2,875.28 : x
  2. Step 2: Convert to fraction form
    5,232.65/7,221.51 = 2,875.28/x
  3. Step 3: Cross multiply
    5,232.65x = 7,221.51 × 2,875.28
  4. Step 4: Simplify right side
    5,232.65x = 20,763,827.17
  5. Step 5: Solve for x
    x = 20,763,827.17/5,232.65
  6. Step 6: Final answer
    x = 3,968.13

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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.