Home / 1,412.17-2,116.36-795.63

Finding the Fourth Proportional to 1,412.17, 2,116.36 and 795.63

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Solution

The fourth proportional to 1,412.17, 2,116.36 and 795.63 is: 1,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.17 : 2,116.36 = 795.63 : x
  2. Step 2: Convert to fraction form
    1,412.17/2,116.36 = 795.63/x
  3. Step 3: Cross multiply
    1,412.17x = 2,116.36 × 795.63
  4. Step 4: Simplify right side
    1,412.17x = 1,683,839.51
  5. Step 5: Solve for x
    x = 1,683,839.51/1,412.17
  6. Step 6: Final answer
    x = 1,192.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.