Home / 7,719.17-10,652.36-4,182.35

Finding the Fourth Proportional to 7,719.17, 10,652.36 and 4,182.35

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Solution

The fourth proportional to 7,719.17, 10,652.36 and 4,182.35 is: 5,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.17 : 10,652.36 = 4,182.35 : x
  2. Step 2: Convert to fraction form
    7,719.17/10,652.36 = 4,182.35/x
  3. Step 3: Cross multiply
    7,719.17x = 10,652.36 × 4,182.35
  4. Step 4: Simplify right side
    7,719.17x = 44,551,823.67
  5. Step 5: Solve for x
    x = 44,551,823.67/7,719.17
  6. Step 6: Final answer
    x = 5,771.59

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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.