Home / 2,713.99-3,746.70-1,771.15

Finding the Fourth Proportional to 2,713.99, 3,746.70 and 1,771.15

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Solution

The fourth proportional to 2,713.99, 3,746.70 and 1,771.15 is: 2,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.99 : 3,746.70 = 1,771.15 : x
  2. Step 2: Convert to fraction form
    2,713.99/3,746.70 = 1,771.15/x
  3. Step 3: Cross multiply
    2,713.99x = 3,746.70 × 1,771.15
  4. Step 4: Simplify right side
    2,713.99x = 6,635,967.71
  5. Step 5: Solve for x
    x = 6,635,967.71/2,713.99
  6. Step 6: Final answer
    x = 2,445.10

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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.