Home / 4,875.57-7,312.92-1,365.28

Finding the Fourth Proportional to 4,875.57, 7,312.92 and 1,365.28

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Solution

The fourth proportional to 4,875.57, 7,312.92 and 1,365.28 is: 2,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.57 : 7,312.92 = 1,365.28 : x
  2. Step 2: Convert to fraction form
    4,875.57/7,312.92 = 1,365.28/x
  3. Step 3: Cross multiply
    4,875.57x = 7,312.92 × 1,365.28
  4. Step 4: Simplify right side
    4,875.57x = 9,984,146.85
  5. Step 5: Solve for x
    x = 9,984,146.85/4,875.57
  6. Step 6: Final answer
    x = 2,047.79

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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.