Home / 5,706.61-7,875.72-4,114.57

Finding the Fourth Proportional to 5,706.61, 7,875.72 and 4,114.57

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Solution

The fourth proportional to 5,706.61, 7,875.72 and 4,114.57 is: 5,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.61 : 7,875.72 = 4,114.57 : x
  2. Step 2: Convert to fraction form
    5,706.61/7,875.72 = 4,114.57/x
  3. Step 3: Cross multiply
    5,706.61x = 7,875.72 × 4,114.57
  4. Step 4: Simplify right side
    5,706.61x = 32,405,201.24
  5. Step 5: Solve for x
    x = 32,405,201.24/5,706.61
  6. Step 6: Final answer
    x = 5,678.54

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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.