Home / 1,762.08-2,430.96-1,132.98

Finding the Fourth Proportional to 1,762.08, 2,430.96 and 1,132.98

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Solution

The fourth proportional to 1,762.08, 2,430.96 and 1,132.98 is: 1,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.08 : 2,430.96 = 1,132.98 : x
  2. Step 2: Convert to fraction form
    1,762.08/2,430.96 = 1,132.98/x
  3. Step 3: Cross multiply
    1,762.08x = 2,430.96 × 1,132.98
  4. Step 4: Simplify right side
    1,762.08x = 2,754,229.06
  5. Step 5: Solve for x
    x = 2,754,229.06/1,762.08
  6. Step 6: Final answer
    x = 1,563.06

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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.