Home / 5,931.12-8,180.98-3,570.80

Finding the Fourth Proportional to 5,931.12, 8,180.98 and 3,570.80

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Solution

The fourth proportional to 5,931.12, 8,180.98 and 3,570.80 is: 4,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.12 : 8,180.98 = 3,570.80 : x
  2. Step 2: Convert to fraction form
    5,931.12/8,180.98 = 3,570.80/x
  3. Step 3: Cross multiply
    5,931.12x = 8,180.98 × 3,570.80
  4. Step 4: Simplify right side
    5,931.12x = 29,212,643.38
  5. Step 5: Solve for x
    x = 29,212,643.38/5,931.12
  6. Step 6: Final answer
    x = 4,925.32

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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.