Home / 1,857.58-2,563.40-1,111.16

Finding the Fourth Proportional to 1,857.58, 2,563.40 and 1,111.16

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Solution

The fourth proportional to 1,857.58, 2,563.40 and 1,111.16 is: 1,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.58 : 2,563.40 = 1,111.16 : x
  2. Step 2: Convert to fraction form
    1,857.58/2,563.40 = 1,111.16/x
  3. Step 3: Cross multiply
    1,857.58x = 2,563.40 × 1,111.16
  4. Step 4: Simplify right side
    1,857.58x = 2,848,332.46
  5. Step 5: Solve for x
    x = 2,848,332.46/1,857.58
  6. Step 6: Final answer
    x = 1,533.35

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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.