Home / 1,776.66-2,452.48-1,186.98

Finding the Fourth Proportional to 1,776.66, 2,452.48 and 1,186.98

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Solution

The fourth proportional to 1,776.66, 2,452.48 and 1,186.98 is: 1,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.66 : 2,452.48 = 1,186.98 : x
  2. Step 2: Convert to fraction form
    1,776.66/2,452.48 = 1,186.98/x
  3. Step 3: Cross multiply
    1,776.66x = 2,452.48 × 1,186.98
  4. Step 4: Simplify right side
    1,776.66x = 2,911,044.71
  5. Step 5: Solve for x
    x = 2,911,044.71/1,776.66
  6. Step 6: Final answer
    x = 1,638.49

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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.