Home / 5,715.48-7,888.89-3,359.19

Finding the Fourth Proportional to 5,715.48, 7,888.89 and 3,359.19

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Solution

The fourth proportional to 5,715.48, 7,888.89 and 3,359.19 is: 4,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.48 : 7,888.89 = 3,359.19 : x
  2. Step 2: Convert to fraction form
    5,715.48/7,888.89 = 3,359.19/x
  3. Step 3: Cross multiply
    5,715.48x = 7,888.89 × 3,359.19
  4. Step 4: Simplify right side
    5,715.48x = 26,500,280.40
  5. Step 5: Solve for x
    x = 26,500,280.40/5,715.48
  6. Step 6: Final answer
    x = 4,636.58

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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.