Home / 5,315.22-7,330.63-4,718.15

Finding the Fourth Proportional to 5,315.22, 7,330.63 and 4,718.15

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Solution

The fourth proportional to 5,315.22, 7,330.63 and 4,718.15 is: 6,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.22 : 7,330.63 = 4,718.15 : x
  2. Step 2: Convert to fraction form
    5,315.22/7,330.63 = 4,718.15/x
  3. Step 3: Cross multiply
    5,315.22x = 7,330.63 × 4,718.15
  4. Step 4: Simplify right side
    5,315.22x = 34,587,011.93
  5. Step 5: Solve for x
    x = 34,587,011.93/5,315.22
  6. Step 6: Final answer
    x = 6,507.16

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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.