Home / 7,615.08-10,508.10-4,257.54

Finding the Fourth Proportional to 7,615.08, 10,508.10 and 4,257.54

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Solution

The fourth proportional to 7,615.08, 10,508.10 and 4,257.54 is: 5,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.08 : 10,508.10 = 4,257.54 : x
  2. Step 2: Convert to fraction form
    7,615.08/10,508.10 = 4,257.54/x
  3. Step 3: Cross multiply
    7,615.08x = 10,508.10 × 4,257.54
  4. Step 4: Simplify right side
    7,615.08x = 44,738,656.07
  5. Step 5: Solve for x
    x = 44,738,656.07/7,615.08
  6. Step 6: Final answer
    x = 5,875.01

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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.