Home / 5,478.31-7,535.50-4,802.77

Finding the Fourth Proportional to 5,478.31, 7,535.50 and 4,802.77

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Solution

The fourth proportional to 5,478.31, 7,535.50 and 4,802.77 is: 6,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.31 : 7,535.50 = 4,802.77 : x
  2. Step 2: Convert to fraction form
    5,478.31/7,535.50 = 4,802.77/x
  3. Step 3: Cross multiply
    5,478.31x = 7,535.50 × 4,802.77
  4. Step 4: Simplify right side
    5,478.31x = 36,191,273.34
  5. Step 5: Solve for x
    x = 36,191,273.34/5,478.31
  6. Step 6: Final answer
    x = 6,606.28

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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.