Home / 5,637.92-7,782.51-5,047.43

Finding the Fourth Proportional to 5,637.92, 7,782.51 and 5,047.43

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Solution

The fourth proportional to 5,637.92, 7,782.51 and 5,047.43 is: 6,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.92 : 7,782.51 = 5,047.43 : x
  2. Step 2: Convert to fraction form
    5,637.92/7,782.51 = 5,047.43/x
  3. Step 3: Cross multiply
    5,637.92x = 7,782.51 × 5,047.43
  4. Step 4: Simplify right side
    5,637.92x = 39,281,674.45
  5. Step 5: Solve for x
    x = 39,281,674.45/5,637.92
  6. Step 6: Final answer
    x = 6,967.41

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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.