Home / 5,315.99-7,957.58-4,862.39

Finding the Fourth Proportional to 5,315.99, 7,957.58 and 4,862.39

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Solution

The fourth proportional to 5,315.99, 7,957.58 and 4,862.39 is: 7,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.99 : 7,957.58 = 4,862.39 : x
  2. Step 2: Convert to fraction form
    5,315.99/7,957.58 = 4,862.39/x
  3. Step 3: Cross multiply
    5,315.99x = 7,957.58 × 4,862.39
  4. Step 4: Simplify right side
    5,315.99x = 38,692,793.32
  5. Step 5: Solve for x
    x = 38,692,793.32/5,315.99
  6. Step 6: Final answer
    x = 7,278.57

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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.