Home / 1,895.49-2,615.56-1,056.13

Finding the Fourth Proportional to 1,895.49, 2,615.56 and 1,056.13

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Solution

The fourth proportional to 1,895.49, 2,615.56 and 1,056.13 is: 1,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.49 : 2,615.56 = 1,056.13 : x
  2. Step 2: Convert to fraction form
    1,895.49/2,615.56 = 1,056.13/x
  3. Step 3: Cross multiply
    1,895.49x = 2,615.56 × 1,056.13
  4. Step 4: Simplify right side
    1,895.49x = 2,762,362.20
  5. Step 5: Solve for x
    x = 2,762,362.20/1,895.49
  6. Step 6: Final answer
    x = 1,457.33

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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.