Home / 1,750.02-2,415.50-1,191.42

Finding the Fourth Proportional to 1,750.02, 2,415.50 and 1,191.42

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Solution

The fourth proportional to 1,750.02, 2,415.50 and 1,191.42 is: 1,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.02 : 2,415.50 = 1,191.42 : x
  2. Step 2: Convert to fraction form
    1,750.02/2,415.50 = 1,191.42/x
  3. Step 3: Cross multiply
    1,750.02x = 2,415.50 × 1,191.42
  4. Step 4: Simplify right side
    1,750.02x = 2,877,880.22
  5. Step 5: Solve for x
    x = 2,877,880.22/1,750.02
  6. Step 6: Final answer
    x = 1,644.49

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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.