Home / 5,320.86-7,341.30-3,432.51

Finding the Fourth Proportional to 5,320.86, 7,341.30 and 3,432.51

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Solution

The fourth proportional to 5,320.86, 7,341.30 and 3,432.51 is: 4,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.86 : 7,341.30 = 3,432.51 : x
  2. Step 2: Convert to fraction form
    5,320.86/7,341.30 = 3,432.51/x
  3. Step 3: Cross multiply
    5,320.86x = 7,341.30 × 3,432.51
  4. Step 4: Simplify right side
    5,320.86x = 25,199,085.66
  5. Step 5: Solve for x
    x = 25,199,085.66/5,320.86
  6. Step 6: Final answer
    x = 4,735.90

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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.