Home / 1,881.12-2,596.04-1,135.07

Finding the Fourth Proportional to 1,881.12, 2,596.04 and 1,135.07

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Solution

The fourth proportional to 1,881.12, 2,596.04 and 1,135.07 is: 1,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.12 : 2,596.04 = 1,135.07 : x
  2. Step 2: Convert to fraction form
    1,881.12/2,596.04 = 1,135.07/x
  3. Step 3: Cross multiply
    1,881.12x = 2,596.04 × 1,135.07
  4. Step 4: Simplify right side
    1,881.12x = 2,946,689.87
  5. Step 5: Solve for x
    x = 2,946,689.87/1,881.12
  6. Step 6: Final answer
    x = 1,566.45

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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.