Home / 1,917.06-2,875.61-530.38

Finding the Fourth Proportional to 1,917.06, 2,875.61 and 530.38

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Solution

The fourth proportional to 1,917.06, 2,875.61 and 530.38 is: 795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.06 : 2,875.61 = 530.38 : x
  2. Step 2: Convert to fraction form
    1,917.06/2,875.61 = 530.38/x
  3. Step 3: Cross multiply
    1,917.06x = 2,875.61 × 530.38
  4. Step 4: Simplify right side
    1,917.06x = 1,525,166.03
  5. Step 5: Solve for x
    x = 1,525,166.03/1,917.06
  6. Step 6: Final answer
    x = 795.58

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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.