Home / 1,533.65-2,115.59-1,036.98

Finding the Fourth Proportional to 1,533.65, 2,115.59 and 1,036.98

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Solution

The fourth proportional to 1,533.65, 2,115.59 and 1,036.98 is: 1,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.65 : 2,115.59 = 1,036.98 : x
  2. Step 2: Convert to fraction form
    1,533.65/2,115.59 = 1,036.98/x
  3. Step 3: Cross multiply
    1,533.65x = 2,115.59 × 1,036.98
  4. Step 4: Simplify right side
    1,533.65x = 2,193,819.33
  5. Step 5: Solve for x
    x = 2,193,819.33/1,533.65
  6. Step 6: Final answer
    x = 1,430.46

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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.