Home / 1,931.16-2,663.60-1,482.96

Finding the Fourth Proportional to 1,931.16, 2,663.60 and 1,482.96

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Solution

The fourth proportional to 1,931.16, 2,663.60 and 1,482.96 is: 2,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.16 : 2,663.60 = 1,482.96 : x
  2. Step 2: Convert to fraction form
    1,931.16/2,663.60 = 1,482.96/x
  3. Step 3: Cross multiply
    1,931.16x = 2,663.60 × 1,482.96
  4. Step 4: Simplify right side
    1,931.16x = 3,950,012.26
  5. Step 5: Solve for x
    x = 3,950,012.26/1,931.16
  6. Step 6: Final answer
    x = 2,045.41

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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.