Home / 1,719.14-2,373.50-1,130.66

Finding the Fourth Proportional to 1,719.14, 2,373.50 and 1,130.66

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Solution

The fourth proportional to 1,719.14, 2,373.50 and 1,130.66 is: 1,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.14 : 2,373.50 = 1,130.66 : x
  2. Step 2: Convert to fraction form
    1,719.14/2,373.50 = 1,130.66/x
  3. Step 3: Cross multiply
    1,719.14x = 2,373.50 × 1,130.66
  4. Step 4: Simplify right side
    1,719.14x = 2,683,621.51
  5. Step 5: Solve for x
    x = 2,683,621.51/1,719.14
  6. Step 6: Final answer
    x = 1,561.03

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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.