Home / 1,570.71-2,166.08-1,197.03

Finding the Fourth Proportional to 1,570.71, 2,166.08 and 1,197.03

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Solution

The fourth proportional to 1,570.71, 2,166.08 and 1,197.03 is: 1,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.71 : 2,166.08 = 1,197.03 : x
  2. Step 2: Convert to fraction form
    1,570.71/2,166.08 = 1,197.03/x
  3. Step 3: Cross multiply
    1,570.71x = 2,166.08 × 1,197.03
  4. Step 4: Simplify right side
    1,570.71x = 2,592,862.74
  5. Step 5: Solve for x
    x = 2,592,862.74/1,570.71
  6. Step 6: Final answer
    x = 1,650.76

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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.