Home / 4,915.61-6,790.03-3,642.08

Finding the Fourth Proportional to 4,915.61, 6,790.03 and 3,642.08

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Solution

The fourth proportional to 4,915.61, 6,790.03 and 3,642.08 is: 5,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.61 : 6,790.03 = 3,642.08 : x
  2. Step 2: Convert to fraction form
    4,915.61/6,790.03 = 3,642.08/x
  3. Step 3: Cross multiply
    4,915.61x = 6,790.03 × 3,642.08
  4. Step 4: Simplify right side
    4,915.61x = 24,729,803.06
  5. Step 5: Solve for x
    x = 24,729,803.06/4,915.61
  6. Step 6: Final answer
    x = 5,030.87

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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.