Home / 3,312.88-4,566.95-2,315.06

Finding the Fourth Proportional to 3,312.88, 4,566.95 and 2,315.06

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Solution

The fourth proportional to 3,312.88, 4,566.95 and 2,315.06 is: 3,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.88 : 4,566.95 = 2,315.06 : x
  2. Step 2: Convert to fraction form
    3,312.88/4,566.95 = 2,315.06/x
  3. Step 3: Cross multiply
    3,312.88x = 4,566.95 × 2,315.06
  4. Step 4: Simplify right side
    3,312.88x = 10,572,728.86
  5. Step 5: Solve for x
    x = 10,572,728.86/3,312.88
  6. Step 6: Final answer
    x = 3,191.40

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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.